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301212131242 = 21119603698437
BaseRepresentation
bin1000110001000011010…
…01000101111110101010
31001210110222202200012211
410120201221011332222
514413340301144432
6350212553155334
730522213604561
oct4304151057652
91053428680184
10301212131242
1110681a439460
124a4633bbb4a
1322533caca29
141081610cbd8
157c7dce3d47
hex4621a45faa

301212131242 has 16 divisors (see below), whose sum is σ = 492918427872. Its totient is φ = 136907424720.

The previous prime is 301212131239. The next prime is 301212131243. The reversal of 301212131242 is 242131212103.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (301212131243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82048 + ... + 780484.

It is an arithmetic number, because the mean of its divisors is an integer number (30807401742).

Almost surely, 2301212131242 is an apocalyptic number.

301212131242 is a deficient number, since it is larger than the sum of its proper divisors (191706296630).

301212131242 is a wasteful number, since it uses less digits than its factorization.

301212131242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718053.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 301212131242 its reverse (242131212103), we get a palindrome (543343343345).

The spelling of 301212131242 in words is "three hundred one billion, two hundred twelve million, one hundred thirty-one thousand, two hundred forty-two".

Divisors: 1 2 11 22 19603 39206 215633 431266 698437 1396874 7682807 15365614 13691460511 27382921022 150606065621 301212131242